Fix callerid split (bug #3507)

git-svn-id: http://svn.digium.com/svn/asterisk/trunk@4966 f38db490-d61c-443f-a65b-d21fe96a405b

1 files changed, 4 insertions, 1 deletions

diff --git a/callerid.c b/callerid.c
index d5f94ee30..19d0d4b6e 100755
--- a/callerid.c
+++ b/callerid.c
@@ -706,9 +706,12 @@ int ast_callerid_split(const char *buf, char *name, int namelen, char *num, int
 	ast_callerid_parse(tmp, &n, &l);
 	if (n)
 		strncpy(name, n, namelen - 1);
+	else
+		name[0] = '\0';
 	if (l) {
 		ast_shrink_phone_number(l);
 		strncpy(num, l, numlen - 1);
-	}
+	} else
+		num[0] = '\0';
 	return 0;
 }